1998 BMW 318ti Unloader relay

49
50
22
23
65Y199
CARBON
CANISTER VALVE 1210.20-08


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44 162078308546 X6000
1210.20-00
27K6300
ENGINE CONTROL
MODULE RELAY
S2
IGNITION SWITCH
31Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE
Y6104
CYL. 4 FUEL
INJECTION VALVE 1210.20-01
26
1210.20-02
RXD
TXD 87
88
R6252
THROTTLE
POSITION
SENSOR 1210.20-04B6205
INTAKE AIR
TEMPERATURE
SENSOR 1210.20-04
B6203
CRANKSHAFT
POSITION/RPM
SENSOR 1210.20-03
B62001
OXYGEN SENSOR
(IN FRONT OF
CATALYTIC
CONVERTER) 1210.20-03
Y6120
EVAPORATIVE
EMISSION VALVE 1210.20-01
61
A8500
TRANSMISSION
CONTROL
MODULE (EGS) 1210.20-05A6000
ENGINE CONTROL
MODULE (DME)
T6151
CYL. 1 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL 1210.20-02
X6000

X6000
862853X6000
54
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 1210.20-00
11
1210.20-07
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
1210.20-07
B9508
PRESSURE
SWITCH
1210.20-05
S36y
DOUBLE
TEMPERATURE
SWITCH
68
1210.20-05
K21
NORMAL SPEED
RELAY
5758Y6131
INTAKE AIR RES-
ONANCE
CHANGEOVER
VA LV E 1210.20-01
Y6130
IDLE SPEED
CONTROL VALVE 1210.20-01
29 X60002
7

7
B6209
HALL EFFECT
CAMSHAFT
SENSOR 1210.20-03
B6217
HOT FILM AIR
MASS METER
45
1210.20-05
1721
F1815A
P90
FRONT POWER
DISTRIBUTION
BOX
M2
FUEL PUMPK6301w
FUEL PUMP
RELAY
1210.20-031210.20-03
631210.20-0360
D100
DATA LINK
CONNECTOR
56
K6326
UNLOADER RELAY,
TERMINAL 15 1210.20-02
1210.20-04
A836
ELECTRONIC
IMMOBILIZER CONTROL
MODULE (EWS II)
10
A35y
BOARD COMPUTER
(BC – LOW)
838
A2w
INSTRUMENT
CLUSTER
4280
1210.20-07
S530
IHKS CONTROL
SWITCH
69
1210.20-07
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
F165AP90
FRONT POWER
DISTRIBUTION BOX
36K19
COMPRESSOR
CONTROL RELAY
1210.20-07
86
85
19177
B6240
KNOCK SENSOR 1210.20-04
407071
B62002
OXYGEN SENSOR
(BEHIND
CATALYTIC
CONVERTER) 1210.20-03
74
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR 1210.20-04
34 556
1210.20-05
A202
ABS CONTROL
MODULE/
HYDRAULIC UNIT
79
A52
SLIP CONTROL
MODULE
(ABS/ASC) 1210.20-05
323
SPARK PLUGS1210.20-04
1210.20-06 1210.20-05
ASC ABS 4
POWER
DISTRIBUTION
0670.2
POWER
DISTRIBUTION
0670.2
1210.20-07
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
Y6133
AIR PUMPK6304
SECONDARY AIR
PUMP RELAY
1210.20-081210.20-08
POWER
DISTRIBUTION
0670.2
Y6163
SECONDARY AIR
PUMP VALVE 1210.20-08
66Y6263
FUEL CHANGE-
OVER VALVE 1210.20-08
P90
FRONT POWER
DISTRIBUTION
BOX 1210.20-08F25A
1210.20-04
B72
FUEL TANK
PRESSURE
SENSOR
72
64
* *
*
1210.20 ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)

ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
IGNITION COILS




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X203
2.5 GN
2.5 GNS2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
POWER
DISTRIBUTION
0670.27 2.5 GN
21
2.5 GNX20
X33
1 X209
X6833
56
3 X61513 X61523 X6154
1T6151
CYL. 1 IGNITION
COILT6152
CYL. 2 IGNITION
COILT6154
CYL. 4 IGNITION
COILX6151
3 X6153
1T6153
CYL. 3 IGNITION
COIL
2X615321 X615221 X6154
.5 GN 1 GN 1 GN
2
W6165
SHIELD UP TO
10mm BEFORE
IGNITION COIL
CONNECTOR
49
X6456
GROUND
DISTRIBUTION
0670.4
5022
X6456
GROUND
DISTRIBUTION
0670.4
23
1 BR 1 BR1 GN
1 WS 1 RT 1 GESPARK PLUGS 1 GN
A6000
ENGINE CONTROL
MODULE (DME)1 BR 1 BR
1 BL
175X61506
2 X6150
2.5 GN
X6454
X6000GROUND
DISTRIBUTION
0670.4 1.5
WS1 .5 RT 1.5 GE 1.5 BL
X6832
2.5 GN
3131313131
 

85 86
8730
K6326
UNLOADER RELAY,
TERMINAL 15
4 8
6 X6326
2X6326
4 RT
X6454
GROUND
DISTRIBUTION
0670.4
.5 GN
POWER
DISTRIBUTION
0670.2
2.5 RT
X6411
2.5 RT
X600214
D100
DATA LINK
CONNECTOR1210.20-03
2.5 RT
2
10
3

01
0 2
10 Test
9
8
7
6154
14
13
12
11
3
2
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 X13173GROUND
DISTRIBUTION
0670.4
1.5 RT/GE
4
X63
.5 RT/GE





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5203.0 HEATED SEATS
X100176P90
FRONT POWER
DISTRIBUTION BOX F23
5A
LIGHT SWITCH
DETAILS
6300.0
X100158F4
15A
86 X63
FUSE DETAILS
0670.3
K9
UNLOADER RELAY,
TERMINAL 15
2 4
6
5X651
231
X651S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 WS/RT .5 WS/GN
.5 RT/GE
X13129
2 2 X732X733
1 X7331 X732
E56
DRIVER’S SEAT-
BACK HEATER E57
DRIVER’S SEAT
HEATER
X13006X494X495
4 6
5X658
2 3 1 X658
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 WS/GE .5 WS/BL
2 2 X741
X740
1 X7401 X741
E59
PASSENGER’S
SEATBACK HEATER E58
PASSENGER’S
SEAT HEATER
.5 BR .5 RT/GE .5 RT/GE.5 GR/RT .5 GR/RT.5 GR/RT
58g
FUSE DETAILS
0670.3
 

.5 BR .5 BR
.5 BR
X173
GROUND
DISTRIBUTION
0670.4
X494GROUND
DISTRIBUTION
0670.4
01
0 2
10 Test
9
8
7
6154
14
13
12
11
3
2
8730
86
85
X14121.5 RT/GE




COMPONENT LOCATION CHART
:





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COMP.8500.0 7100.0LOCATION DESCRIPTION
H56 . . LEFT REAR HIGH RANGE SPEAKER . under rear window shelf

H57 . .

LEFT REAR LOW RANGE SPEAKER .

under rear window shelf




H58 . . LEFT FRONT LOW RANGE SPEAKER in lower LH A–pillar
H59 . . LEFT FRONT HIGH RANGE SPEAKER in upper LH front door

H66 . .
SUBWOOFER . . . . . . . . . . . . . . . . . . . . . .
at back of rear window shelf





H91 . .



RIGHT LUGGAGE COMPARTMENT
LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . .


in luggage compartment right






I1008 . SEAT MAT . . . . . . . . . . . . . . . . . . . . . . . . . in passenger’s seat area
K2 . . . . HORN RELAY . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-2
K4 . . . . BLOWER RELAY . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-2

K9 . . . .

UNLOADER RELAY, TERMINAL 15 . . .

below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20-1


K13 . . REAR DEFOGGER RELAY . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-1
K16 . . HAZARD FLASHER RELAY . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-2

K19 . .
COMPRESSOR CONTROL RELAY . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . .
12-1

K21 . . NORMAL SPEED RELAY . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-1
K22 . . HIGH SPEED RELAY . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-1

K45 . .
FOLDING SUNROOF COMFORT
RELAY . . . . . . . . . . . . . . . . . . . . . . . . . . .
below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18-1


K46 . . HIGH BEAM LIGHT RELAY . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-1

K46z .

DAY LIGHT RELAY MODULE . . . . . . . .

below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18-1


K47 . . FRONT FOG LIGHT RELAY . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-2




COMPONENT LOCATION CHART
:





 !
 

COMP.8500.0 7100.0LOCATION DESCRIPTION
K48 . . LOW BEAM LIGHT RELAY . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-2

K125 .

ABS PUMP MOTOR RELAY, TIMED . . .

Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . .

12-1


K6300 ENGINE CONTROL MODULE RELAY . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-3
K6301w FUEL PUMP RELAY . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 12-3

K6304
SECONDARY AIR PUMP RELAY . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . .
12-3

K6326

UNLOADER RELAY, TERMINAL 15 . . .

rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27-1


M2 . . . FUEL PUMP . . . . . . . . . . . . . . . . . . . . . . . . below RH side of rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-2
M3 . . . WIPER MOTOR . . . . . . . . . . . . . . . . . . . . rear of engine compartment below center of cowl . . . . . . . . . . . . . . . . . . . . . 09-1

M4 . . .
WASHER PUMP . . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment on washer fluid reservoir . . . . . . . . . .
07-3



M7 . . .

HEADLIGHT/FOG LIGHT WASHER
PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment on washer fluid reservoir . . . . . . . . . .

14-3


M9 . . . AUXILIARY FAN MOTOR . . . . . . . . . . . . behind front grille behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
M12 . . DRIVER’S DOOR LOCK MOTOR . . . . . in lower LH front door behind trim panel

M13 . .
PASSENGER’S DOOR LOCK MOTOR
in lower RH side of front door behind trim panel



M16 . . GAS FILLER LOCK MOTOR . . . . . . . . . in RH rear side of luggage compartment behind trim panel . . . . . . . . . . . . . 29-1


M17 . .

LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . .
rear side of luggage compartment behind trim panel . . . . . . . . . . . . . . . . . . .

23-1


M21 . . DRIVER’S WINDOW MOTOR . . . . . . . . LH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-1
M23 . . PASSENGER’S WINDOW MOTOR . . . . RH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-2

M24z .

FOLDING SUNROOF MOTOR . . . . . . . .

in roof panel






M25 . .

CRUISE CONTROL ACTUATOR
(TEMPOMAT) . . . . . . . . . . . . . . . . . . . . .
front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

09-3

X322
P95
AUXILIARY FUSE
BOX K9
UNLOADER RELAY,
TERMINAL 15
X32
X33X35X72X295
X740X741X10218




COMPONENT LOCATION VIEWS




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X10250






COMPONENT LOCATION VIEWS




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M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS)
X10094
K6326
UNLOADER RELAY,
TERMINAL 15
X6326




X6255
R6255z
THROTTLE
POSITION SENSOR
(ASC)